Electrical And Control Settings - Hitachi YUTAKI Series Instruction And Operation Manual

ELECTRICAL AND CONTROL SETTINGS

7 ELECTRICAL AND CONTROL SETTINGS
7.1 GENERAL CHECK
• Make sure that the following conditions related to power supply installation are satisfied:
- The power capacity of the electrical installation is large enough to support the power demand of the YUTAKI system (outdoor
unit + indoor unit + DHW tank (if apply)).
- The power supply voltage is within ±10% of the rated voltage.
- The impedance of the power supply line is low enough to avoid any voltage drop of more than 15% of the rated voltage.
• Following the Council Directive 2004/108/EC, relating to electromagnetic compatibility, the table below indicates the Maximum
permitted system impedance Z

Split system - Outdoor unit
Model Power supply
RAS-2WHVNP
RAS-2.5WHVNP
RAS-3WHVNP
1~ 230V 50Hz
RAS-4WHVNPE
RAS-5WHVNPE
RAS-6WHVNPE
RAS-4WHNPE
RAS-5WHNPE
RAS-6WHNPE 3N~ 400V 50Hz
RAS-8WHNPE
RAS-10WHNPE

Split system - Indoor unit
YUTAKI S
Model Power supply
RWM-(2.0-3.0)NE 1~ 230V 50Hz
1~ 230V 50Hz
RWM-(4.0-6.0)NE
3N~ 400V 50Hz
RWM-(8.0/10.0)NE 3N~ 400V 50Hz
?
N O T E
The data corresponding to DHW tank heater is calculated in combination with the domestic hot water tank accessory "DHWT-(200/300)S-3.0H2E".
91 PMML0335A rev.1 - 04/2016
at the interface point of the user's supply, in accordance with EN61000-3-11.
max
Z (Ω)
max
-
-
0.42
0.25
0.25
0.25
-
-
-
-
-
Without electric heater
With electric heater
With DHW tank heater
With electric and DHW tank heaters
Without electric heater
With electric heater
With DHW tank heater
With electric and DHW tank heaters
Without electric heater
With electric heater
With DHW tank heater
With electric and DHW tank heaters
Without electric heater
With electric heater
With DHW tank heater
With electric and DHW tank heaters
Operation mode Z (Ω)
max
-
-
-
0.26
-
0.26
-
0.17
-
-
-
-
-
-
-
0.46